Is a Naso Tang to big for a 85 gallon tank?

[sco999]

I am going to be building a 85 gallon acrylic reef ready tank with dimensions of 48"x20"x20". I would like to keep a couple of percula's a naso tang and a yellow tang. Would this be to much fish for my tank? I will be using a 40 gallon sump/ref. with Live rock and Live Sand in the system.
Thanks

 

[bang guy]

The Yellow Might be OK. No way on the Naso IMO. It's not too many fish, it's just that the Naso requires a lot of swimming space - at least 6 foot but 8 foot is a lot better.
The Naso will probably stress the Yellow to death once it grows up as well.

 

[sco999]

Thanks Bang Guy. I have read your thread on your 900 gallon lagoon. Simply amazing. What about a hippo tang or a clown tang with the yellow? Would they stress each other out? As a general rule how many gallons per inch of fish per tank?

 

[bang guy]

IMO look up the expected adult size of the fish and then it's 1" per 5 gallons of tank capacity.
There are tons of exceptions, ie Tangs require space and Percula Clownfish don't. It's just a guideline, you still need to research every single inhabitant of your tank.